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diff --git a/docs/doxygen/other/pfb_intro.dox b/docs/doxygen/other/pfb_intro.dox
index 75652d65bf..43bea77777 100644
--- a/docs/doxygen/other/pfb_intro.dox
+++ b/docs/doxygen/other/pfb_intro.dox
@@ -1,13 +1,13 @@
/*! \page page_pfb Polyphase Filterbanks
-\section Introduction
+\section pfb_introduction Introduction
Polyphase filterbanks (PFB) are a very powerful set of filtering tools
that can efficiently perform many multi-rate signal processing
tasks. GNU Radio has a set of polyphase filterbank blocks to be used
in all sorts of applications.
-\section Usage
+\section pfb_Usage
See the documentation for the individual blocks for details about what
they can do and how they should be used. Furthermore, there are
@@ -78,7 +78,7 @@ examples (<b>gr-uhd/examples</b>) use this ability to create a
received matched filter or channel filter that also resamples the
signal.
-\section Examples
+\section pfb_examples Examples
The following is an example of the using the channelizer. It creates
the appropriate filter to channelizer 9 channels out of an original
@@ -93,7 +93,7 @@ run this example.
\include gr-filter/examples/channelize.py
-\section pfb_arb_resampl The PFB Arbitrary Resampler Kernel
+\section pfb_arb_resampler The PFB Arbitrary Resampler Kernel
GNU Radio has a PFB arbitrary resampler block that can be used to
resample a signal to any arbitrary and real resampling rate. The